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    Subtraction with Regrouping: 133 − 28

    Subtraction with Regrouping Calculator
    Minuend
    Subtrahend

    What is 133 − 28?

    Answer

    133 − 28 =
    105

    With regrouping: 1 borrow — from the tens

    133 − 28 in a column. Above the columns: the values after borrowing — a crossed-out digit is replaced by the number above it; +10 marks a column that received a borrowed ten.
    2+10
    1 3(was 3, now 2)3 (was 3, now 13)
    −28
    105

    Column by column: 133 − 28

    • Ones: 3 is less than 8 — borrow 1 ten: tens 3 → 2; 13 − 8 = 5 — write 5.
    • Tens: after borrowing, 2; 2 − 2 = 0 — write 0.
    • Hundreds: nothing to subtract — write 1.

    133 − 28 = 105

    Second check: 133 − 105 = 28

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    133 − 28 = 105 - Subtraction with Regrouping. 133 − 28 = 105. Subtraction with regrouping step by step: 1 borrow, every digit of the difference and an addition check.
    https://calculat.io/en/number/long-subtraction/133--28/generated.jpgCopy

    Column subtractions of 28

    ExampleDifference
    100 − 2872
    102 − 2874
    104 − 2876
    106 − 2878
    111 − 2883
    113 − 2885
    117 − 2889
    120 − 2892
    122 − 2894
    126 − 2898
    133 − 28105
    164 − 28136
    200 − 28172
    231 − 28203
    267 − 28239
    296 − 28268
    300 − 28272
    335 − 28307
    376 − 28348
    400 − 28372
    Recalculate with different values ↑

    FAQ

    What is 133 − 28?

    133 − 28 = 105

    How do you check that 133 − 28 = 105?

    Add the difference and the subtrahend: 105 + 28 = 133. Getting the minuend back means the difference is right.

    How many times do you borrow in 133 − 28?

    1 borrow: each time the top digit was smaller than the one below it, 1 was borrowed from the column on the left.

    See Also